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| author | Ulrich Drepper <drepper@redhat.com> | 2000-09-01 08:43:17 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2000-09-01 08:43:17 +0000 |
| commit | 6f7fa17e402e8cc267651b67669f04f70bc80527 (patch) | |
| tree | 33c355f07dd56fc0df5441aea8278c44e88a7b6a /linuxthreads/lockfile.c | |
| parent | 1341abeec57403a7218c501632c452d72f8a3648 (diff) | |
| download | glibc-6f7fa17e402e8cc267651b67669f04f70bc80527.tar.gz glibc-6f7fa17e402e8cc267651b67669f04f70bc80527.tar.xz glibc-6f7fa17e402e8cc267651b67669f04f70bc80527.zip | |
Update.
2000-09-01 Ulrich Drepper <drepper@redhat.com> * lockfile.c (__flockfile): If _IO_USER_LOCK bit is set don't do anything. (__funlockfile): Likewise. (__ftrylockfile): If _IO_USER_LOCK bit is set return always 0.
Diffstat (limited to 'linuxthreads/lockfile.c')
| -rw-r--r-- | linuxthreads/lockfile.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/linuxthreads/lockfile.c b/linuxthreads/lockfile.c index 0ef02f8757..a7836b8168 100644 --- a/linuxthreads/lockfile.c +++ b/linuxthreads/lockfile.c @@ -29,7 +29,8 @@ void __flockfile (FILE *stream) { #ifdef USE_IN_LIBIO - __pthread_mutex_lock (stream->_lock); + if ((stream->_flags & _IO_USER_LOCK) == 0) + __pthread_mutex_lock (stream->_lock); #else #endif } @@ -44,7 +45,8 @@ void __funlockfile (FILE *stream) { #ifdef USE_IN_LIBIO - __pthread_mutex_unlock (stream->_lock); + if ((stream->_flags & _IO_USER_LOCK) == 0) + __pthread_mutex_unlock (stream->_lock); #else #endif } @@ -59,7 +61,10 @@ int __ftrylockfile (FILE *stream) { #ifdef USE_IN_LIBIO - return __pthread_mutex_trylock (stream->_lock); + if ((stream->_flags & _IO_USER_LOCK) == 0) + return __pthread_mutex_trylock (stream->_lock); + else + return 0; #else #endif } |